Non-Ideal Power Supplies: Internal Resistance and Impedance
Explore the concept of non-ideal power supplies and batteries, their internal resistance, and output impedance that determine the maximum current output. Learn about voltage droop, the relationship between power output and load resistance, and the significance of impedance matching for maximizing power efficiency in electrical systems.
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Presentation Transcript
Non-ideal Power Supply Power supplies and batteries have an internal resistance or output impedance that limits the amount of current it can output. 1 AME20213 - Rumbach
Non-ideal Power Supply Power supplies and batteries have an internal resistance or output impedance that limits the amount of current it can output. Voltage Droop RL Vout= VOC RL+ RS Vout VOC 2 AME20213 - Rumbach
Non-ideal Power Supply Power output depends on load resistance RL qL Max power occurs when RL = RS Impedance matching RL 3 AME20213 - Rumbach
Impedance Matching Max power always occurs when load resistance matches internal resistance of power supply. 4 AME20213 - Rumbach
